Assistant Prof. Omri Ram
Faculty:
Mechanical Engineering
Main energy field:
Energy Conservation
Transport phenomena
About:
PhD – 2017 – Ben-Gurion University, Mechanical Engineering
MSc – 2013 – Ben-Gurion University, Mechanical Engineering
BSc – 2011 – Ben-Gurion University, Mechanical Engineering
Career Advancement Chair – a Taub Fellow (2022)
Postdoctoral fellow, Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD (2018-2021)
Research Interests:
Energy losses in flow and multiphase flow
Rapid phase changes occurring due to pressure drop (cavitation)
Inception of boiling processes
Bubbly flow dynamics
Selected Publications:
Karuna Agarwal, Omri Ram, Jin Wang, Yuhui Lu, and Joseph Katz. Reconstructing velocity and pressure from noisy sparse particle tracks using constrained cost minimization. Experiments in Fluids, 62(4):1–20, 2021
Ram, K. Agarwal, and J. Katz. On the mechanisms that sustain the inception of attached cavitation. Journal of Fluid Mechanics, 901, 2020
R. Hoffman, A. Zuckerman, O. Ram, O. Sadot, and Hagit Cohen. Changes in hippocampal androgen receptor density and behavior in sprague-dawley male rats exposed to a low-pressure blast wave. Brain Plasticity, 5(2):1–11, 2020
Ram and J. Katz. Persistent thin water films encapsulate oil droplets crossing an oil-water interface. Chemical Engineering Journal, 387:124075, 2020
Zuckerman, O. Ram, G. Ifergane, M. A Matar, Z. Kaplan, J. R. Hoffman, O. Sadot, and H. Cohen. Role of endogenous and exogenous corticosterone on behavioral and cognitive responses to low-pressure blast wave exposure. Journal of Neurotrauma, 36(2):380–394, 2019
Geva, O. Ram, and O. Sadot. The regular reflection → mach reflection transition in unsteady flow over convex surfaces. Journal of Fluid Mechanics, 837:48, 2018
Ram, G. Ben-Dor, and O. Sadot. On the pressure buildup behind an array of perforated plates impinged by a normal shock wave. Experimental Thermal and Fluid Science, 92:211–221, 2018
R. Hoffman, A. Zuckerman, O. Ram, O. Sadot, J. R. Stout, I. Ostfeld, and H. Cohen. Behavioral and inflammatory response in animals exposed to a low-pressure blast wave and supplemented with β-alanine. Amino Acids, 49(5):871–886, 2017
Zuckerman, O. Ram, G. Ifergane, M. A Matar, R. Sagi, I. Ostfeld, J. R. Hoffman, Z. Kaplan,O. Sadot, and H. Cohen. Controlled low-pressure blast-wave exposure causes distinct behavioral and morphological responses modelling mild traumatic brain injury, post-traumatic stress disorder, and comorbid mild traumatic brain injury–post-traumatic stress disorder. Journal of neurotrauma, 34(1):145–164, 2017
O. Ram, E. Nof, and O. Sadot. Dependence of the blast load penetrating into a structure on initial conditions and internal geometry. Experimental Thermal and Fluid Science, 78:65–74, 2016, equal contributors
Sadot, O. Ram, I. Anteby, S. Gruntman, and Gabi Ben-Dor. The trapped gas effect on the dynamic compressive strength of light aluminum foams. Materials Science and Engineering: A, 659:278–286, 2016
Ram and O. Sadot. Analysis of the pressure buildup behind rigid porous media impinged by shock waves in time and frequency domains. Journal of Fluid Mechanics, 779:842–858, 2015
Ram, M. Geva, and O. Sadot. High spatial and temporal resolution study of shock wave reflection over a coupled convex–concave cylindrical surface. Journal of Fluid Mechanics, 768:219–239, 2015
Liverts, O. Ram, O. Sadot, N. Apazidis, and G. Ben-Dor. Mitigation of exploding-wire generated blast-waves by aqueous foam. Physics of Fluids, 27(7):076103, 2015
M. Geva, O. Ram, and O. Sadot. The non-stationary hysteresis phenomenon in shock wave reflections. Journal of Fluid Mechanics, 732, 2013
Ram and O. Sadot. A simple constitutive model for predicting the pressure histories developed behind rigid porous media impinged by shock waves. Journal of Fluid Mechanics, 718:507, 2013
Ram and O. Sadot. Implementation of the exploding wire technique to study blast-wave–structure interaction. Experiments in fluids, 53(5):1335–1345, 2012